Suborder:
|
Tornoceratina
|
Superfamily:
|
Tornoceratoidea
|
Family:
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Tornoceratidae
|
Subfamily:
|
Falcitornoceratinae
|
Genus:
|
Falcitornoceras
|
Species:
|
pseudobilobatum |
Qualifier:
|
sy |
Author:
|
Dybczynski 1913,p.519
|
Valid:
|
Falcitornoceras falcatum (Frech 1887) |
Lower Boundary:
|
UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
|
Upper Boundary:
|
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|